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&lt;?xml version="1.0" encoding="UTF-8"?&gt;
&lt;databaseChangeLog
        xmlns="http://www.liquibase.org/xml/ns/dbchangelog"
        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-3.0.xsd"&gt;

    &lt;!--alter table st_customer2 add column age bigint;--&gt;
    &lt;changeSet id="v1.1.1" author="tzp"&gt;
        &lt;addColumn tableName="st_customer2"&gt;
            &lt;column name="balance" type="bigint"/&gt;
        &lt;/addColumn&gt;
    &lt;/changeSet&gt;
&lt;/databaseChangeLog&gt;
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